For its price it is really a no-brainer. Using a few of them and if you are up to it, use muses3 opamps, change the clock and use dedicated cpu's on all sections, removing the onboard regulators.
Then this baby can sing
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This DIY module based on a DAC I2S ESS ES9038Q2M offers many possibilities of use in a compact card format. It has I2S, SPDIF Coaxial and Optical inputs and RCA Stereo output as well as 3.5mm Jack and supports high resolution files.
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DAC Module I2S Optical Coaxial 32bit 384khz DSD256
This DIY module based on a DAC I2S ESS ES9038Q2M offers many possibilities of use in a compact card format. It has I2S, SPDIF Coaxial and Optical inputs and a RCA Stereo output as well as a 3.5mm jack. On the component side, this DAC module includes a 100MHz master clock making it compatible with many DSP cards on the market. Among the options available, it is possible to change the original AOP 5532D mounted on a DIP8 bracket to adapt the sound reproduction of the DAC to its listening.
The coaxial input requires the source signal to be at least 1.2V
A good DAC must be powered by a quality power supply. The module is delivered configured to work with a simple AC adapter or a conventional 15V DC linear power supply, to be connected to a 5.5/2...5mm jack connector. It is also possible to power this DAC via the +15/0/-15V DC balanced input. To do this, it is necessary to solder between the central contact and the left contact of J6, and to unsolder the right contact.
Thanks to its 100MHz digital master clock, it is sufficient to input an I2S DATA, LRCK and BCLK signal from a USB to I2S interface, for example, to obtain a DAC of a formidable quality. This DAC also has Coaxial and Optical SPDIF inputs that can be configured via the module's DIP Switch..
In addition, the module includes 3 control buttons. The VOL + and VOL - buttons are used to adjust the volume. It is also possible to add an external potentiometer on this module (sold separately). A short press of the MODE button switches to Mute mode and a long press of the same button selects the active input. LEDs on the card indicate the active input.
Filter | DIP 1 | DIP 2 | DIP 3 |
---|---|---|---|
Fast roll-off minimum | O | O | O |
X | X | X | |
Slow roll-off minimum | O | X | X |
Fast roll-off linear | X | O | X |
Slow roll-off linear | O | O | X |
Brickwall filter | X | X | O |
Hybrid dast roll-off | O | X | O |
Apodizing fast roll-off | X | O | O |
Volume setting | DIP 4 | DIP 5 | Note |
---|---|---|---|
No volume memory | O | O | Volume at 70% when power on |
Volume memory | X | X | Use the same volume settings as at power-off |
Volume control with potentiometer | O | X | Volume setting by the potentiometer voltage |
X | O |
Specifications | |
---|---|
Product type | DAC Module |
DAC Chip | ESS ES9038Q2M |
DAC architecture | HyperStream |
DNR | 129dB |
THD+N | -120dB |
Supported sampling rate | I2S : PCM up to 32bit 384kHz, DSD up to DSD256 Coaxial / Optical : PCM up to 192kHz, DSD up to DSD64 |
Inputs | 1x I2S 1x Coaxial 1x Optical |
Outputs | 1x Stereo RC 1x Jack 3.5mm |
Specifications | |
---|---|
Dimensions | 90 x 75 x 22mm |
Fixation holes spacing | 82 x 51mm |
Power supply | 15V DC on Jack DC 5.5/2.1mm / -15/0/+15V DC (power supply sold separately) |
Weight | 42g |
Package | 1x DAC ES9038Q2M Module |
Input | SPDIF |
Input | I2S |
Input | Optical |
Output | Jack 3.5mm |
Output | RCA |
DAC / ADC Chip | ES9038Q2M |
Max sampling rate | DSD256 |
Max sampling rate | 384kHz |
Channel | 2 (Stereo) |
Class | Class D / T |
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